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On June 30, local time, the Columbus Zoo in Ohio, USA, issued a statement on the social media Facebook, announcing that a Siberian tiger in the zoo died of complications from the new coronavirus.
A Siberian tiger in a U.S. zoo died of COVID-19: Born in Russia, he suffered from underlying diseases
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They really caught the light and stored it! A great revolution may be coming. As we all know, light propagates very fast and can propagate at a speed of about 300,000km/second. Looking at the entire earth, it is almost impossible to find anything faster than the speed of light.
They really caught the light and stored it! A great change may be coming
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Foreword: Coronavirus belongs to the genus Coronavirus in the order Nidovirales, family Coronaviridae. Viruses of the genus Coronavirus are enveloped (envelope) RNA viruses with a linear single-stranded positive-sense genome. They are a large group of viruses that exist widely in
Durable, all-powerful coronavirus vaccine against mutations begins testing
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Is the universe finite or infinite? This issue has been debated for a long time. Some people think that the universe has a boundary, because the maximum boundary that the Hubble Telescope can see is about 92 billion light-years, which should be the limit of the universe. However,
Are there boundaries to the universe? After continuously enlarging it, you will find that the structure of the universe is similar to the structure of life
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The passage of laser pulses through non-uniform media is the most important process, and the control ability determines the efficiency of optical communication. Unfortunately, it is often impossible to model it mathematically. However, you can teach a neural network to predict it
Neural network predicts behavior of laser pulses
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Researchers such as Ma Qiufu of Harvard Medical School recently published a Nature article and found that a sensory nerve deeply enriched in the corresponding position of "Zusanli" in mice mediates this process through the vagus nerve-adrenal axis.
Nature | The "structural basis" for the specific function of "acupoints"
05/06
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Massive planets can retain atmospheres and water for long periods of time if they are fairly far away from their stars. If they were driven out of their mother lineage, it would last longer than the existence of the universe. Conditions on Earth became suitable for life billions
Super-Earths may still be habitable for tens of billions of years
05/05
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French physicist Coulomb discovered Coulomb's law Charles Augustin Coulomb Electricity is an important branch of physics. During its development, many physics giants have made outstanding contributions. The French physicist Charles-Augustin Coulomb was one of the most influential
"The Story of Invention" (70) - French physicist Coulomb discovered Coulomb's law
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When it comes to clenbuterol, everyone will definitely be familiar with it. As early as 1997, our country has explicitly prohibited the use of this drug in feed and livestock production, and these "bodybuilding" products were also exposed at the "March 15 Party" in 2011. The prob
Why is the "second-generation clenbuterol" banned by many countries still used in the United States? Basically all exported
05/05
1345
In 2030, the first mission of the Russian Transport and Energy Module (TEM, nuclear tug) "Zeus" is planned for deep space flights. Anatoly Petrukovich, director of the Space Institute of the Russian Academy of Sciences, said in an interview with TASS what kind of scientific plans
What is the Russian nuclear tugboat preparing to do?
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Information security is closely related to people's lives, social stability and even national security. In the past few decades, in response to increasingly powerful counterfeiting technology, various anti-counterfeiting materials and related anti-counterfeiting technologies have
Ningbo Institute of Materials "Review" Research Progress of Intelligent Polymer Gel-Based Information Storage Anti-Counterfeiting Materials
05/08
1130
Professor Gong Chunhong’s research group from the School of Chemistry and Chemical Engineering and the Institute of Functional Polymer Composite Materials of Henan University has conducted research on high-temperature microwave absorption, "TiN/BN Composite with Excellent Thermal
The research group of Professor Gong Chunhong of Henan University has made progress in the research of high-temperature microwave absorbing materials
05/08
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This paper describes a new and simple method by our team at Valincona to study the kinetics of wet etching of ITO films by monitoring the resistance of the film during etching. This method is capable of studying etches between 0.1 and 150 nm/min. rate. Three different states can
A new method for studying the wet etching kinetics of ITO thin films by Hualingcona
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"The occurrence of impossible things promotes the progress of science; and the progress of science makes impossible things happen. A plant specimen is displayed in the National Museum of Japan. Its unique feature is that from flower to stem to The leaves are all white, and sunlig
"Blood-Eating Grass": The winter solstice grass is actually a blood-eating grass? What is revealed is the madness of human nature
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China News Service, Beijing, July 1 (Xinhua) -- Springer Nature's open-access academic journal "Scientific Reports" recently published a space health research paper stating that a study conducted by researchers found that flying in space for more than three months Astronauts may
Latest international research: Astronauts increasing resistance exercise in space may help reduce bone mass loss
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On July 1, the "I am willing to dedicate myself to the country" - Celebrating the 20th National Congress of the Communist Party of China·Wang Ganchang's life story exhibition was launched at the China Science and Technology Museum. In addition, the exhibition also restored the sc
115th birthday! Exhibition on the life and deeds of physicist Wang Ganchang launched at China Science and Technology Museum
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In order to further achieve "refined troops, integration and high efficiency" and follow the road of elite troops and strong military with Chinese characteristics, on September 12, 1997, Jiang Zemin, then chairman of the Central Military Commission, announced in the report of the
Tian Zhaoguang, former press officer of the 26th Group Army, recalled the streamlining and reorganization of the army in 1998
05/08
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In order to capture the Donbas region as soon as possible, the Russian army pursued victory this time without taking a breath. After capturing Beidun, they pursued and fiercely attacked the retreating Ukrainian army. Then they concentrated their forces in Lisichansk and attacked
At the critical moment of the fierce war between Russia and Ukraine, the West has added fuel to the fire. Can Russia survive for another three months?
05/08
1036
At present, the United States, Russia and other countries are developing loyal wingmen. As a rising star, China is no exception. It is also developing loyal wingmen. China is developing a variety of loyal wingmen, including loyal wingmen for the J-20 stealth fighter and H-20 stra
Indian media: China is developing a variety of "loyal wingmen" to equip its H-20 bombers with bomber partners
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1109
Release the latest emergency military information and broadcast global hot news. Welcome to pay attention to "Military Intelligence Emergency Report"! What use do smoothbore cannons from 70 years ago still have on the battlefield? Are the tactics of the Eighth Route Army outdated
The Russian army cleverly used Li Yunlong's digging tactics, and the Ukrainian army was beaten by old artillery 50 years ago.
05/08
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Pisces people are truly happy in love, cautious and upright, persistent and patient, and will have a good marriage, a good harvest in love and career, wealth and blessings, good luck, and lots of income.
Within 1 day, the four zodiac signs will be kind-hearted, get promotions and salary increases, and all your wishes will come true
05/08
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Aquarius Aquarius people are very innovative, emotional, witty and humorous, gentle and kind, have a positive attitude towards work, and insist on their opinions until their opinions are accepted.
Three-year Cancer is the three major zodiac signs that are strict with oneself and lenient with others.
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